Lathyrus nevadensis
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| Lathyrus nevadensis S. Wats. |
Lathyrus nevadensis (Sierra Pea or Purple Peavine) is a perennial herb with erect to climbing stems, native to the forests and clearings of western North America from British Columbia to northern California and as far east as Idaho.
The plant is a trailer or weak climber, supported by tendrils, growing to 1.0 m tall. The leaves are pinnate, with 4 to 10 leaflets and a straight, unbranched tendrils at the apex of the petiole. Its flowers are hermaphroditic, pollinated by bees. The plant can also spread vegetatively from creeping rhizomes.
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